Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Capital expenditures	$ 117,601	$ 94,828
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	80,149	51,710
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	21,425	33,462
Operating Segments | Directional Drilling
Segment Reporting Information [Line Items]
Capital expenditures	9,074	2,966
Operating Segments | Corporate Segment
Segment Reporting Information [Line Items]
Capital expenditures	1,674	488
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	$ 5,279	$ 6,202